Charles> You won't be able to use any file system with NAND unless you
Charles> can write the OOB.

I haven't had any problem using flash for CRAMFS and various other
filesystems of my own design without using the OOB.

Charles> Have a look at the code for mkyaffs. This should give you a
Charles> good kick-off point for programming YAFFS. I am aware of at
Charles> least one smartphone manufacturer pre-programming NAND chips
Charles> directly with YAFFS.

OK, thanks.